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// { dg-additional-options "-fsyntax-only -fno-exceptions" }
#if __has_include(<coroutine>)
#include <coroutine>
#else
#include <experimental/coroutine>
namespace std {
using namespace std::experimental;
}
#endif
class promise;
struct finalSuspendAwaiter {
int x;
finalSuspendAwaiter () : x(0) { }
finalSuspendAwaiter (int _x) : x(_x) { }
~finalSuspendAwaiter() noexcept(true) { }
bool await_ready() const noexcept(true) { return false; }
void await_suspend(std::coroutine_handle<>) const noexcept(true) { }
int await_resume() const noexcept(true) { return x; }
};
struct finalSuspendObj {
int x;
finalSuspendObj () : x(0) { }
finalSuspendObj (int _x) : x(_x) { }
~finalSuspendObj () noexcept(true) {}
finalSuspendAwaiter operator co_await() const & noexcept(true) {
return {x};
}
};
struct task {
struct promise_type {
task get_return_object() noexcept { return {}; }
std::suspend_never initial_suspend() noexcept { return {}; }
finalSuspendObj final_suspend() { return {3}; } // NOTE: not declared noexcept
void return_void() noexcept {}
void unhandled_exception() noexcept {}
};
};
// OK when exceptions are disabled
task f() {
co_return;
}
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